Home / 18,821.52-28,094.82-17,451

Finding the Fourth Proportional to 18,821.52, 28,094.82 and 17,451

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Solution

The fourth proportional to 18,821.52, 28,094.82 and 17,451 is: 26,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.52 : 28,094.82 = 17,451 : x
  2. Step 2: Convert to fraction form
    18,821.52/28,094.82 = 17,451/x
  3. Step 3: Cross multiply
    18,821.52x = 28,094.82 × 17,451
  4. Step 4: Simplify right side
    18,821.52x = 490,282,703.82
  5. Step 5: Solve for x
    x = 490,282,703.82/18,821.52
  6. Step 6: Final answer
    x = 26,049.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.